Indianapolis (IND) to Las Vegas (LAS): On-Time Performance
Data through May 2026
When you fly IND to LAS matters as much as anything else about the booking: the route swung from 89% on-time in October 2024 to just 65% in December 2025. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 72%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 3.6
- last 12 months
- Duration
- 4h 5m
- scheduled
- Distance
- 1,590 mi
Best airline from IND to LAS
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 85% | 12 min | 1.1% | 450 |
| Southwest Airlines | 82% | 11 min | 0.4% | 2,225 |
| Allegiant Air | 80% | 19 min | 1.6% | 189 |
Monthly on-time trend
Best time to fly from IND to LAS
Aim for departures around 5 a.m. (95% on-time); avoid 8 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 13 min |
| Tuesday | 86% | 8 min |
| Wednesdaybest | 88% | 7 min |
| Thursday | 80% | 12 min |
| Friday | 81% | 13 min |
| Saturday | 84% | 10 min |
| Sunday | 80% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations32%
- National airspace system25%
- Weather3%
Frequently asked questions
- How often are flights from IND to LAS delayed?
- 18% of IND–LAS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from IND to LAS?
- Spirit Airlines has the best on-time record on this route at 85%, based on 450 flights. 3 airlines flew IND–LAS frequently enough to compare in this period.
- What is the best time of day to fly from IND to LAS?
- Departures around 5 a.m. have the best record (95% on-time), while departures around 8 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IND to LAS?
- The scheduled IND–LAS flight time averages 4h 5m over 1,590 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are IND to LAS flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from IND to LAS?
- December 2025 was the roughest month in this dataset, with only 65% of arrivals on time. The best was October 2024 at 89%. If your dates are flexible, that 24-point gap is worth planning around.
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Based on 2,878 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.